A randomized 25 question test from a pool of 761 questions, good luck!
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a holding register to the slave device
To communicate with a process control system, a network interface adapter is required. Which of the answers below would satisfy the minimum number of network adapters required?
Which answer below is best described as the RS-232 standard for voltage range to transmit a "Mark"?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
There are several stages in the alarm lifecycle. Which of these stages is the alarm philosophy involved in evaluating changes to the alarm system?
Which of the Hart access methods below can be best described as one that the scan rates are substantially increased over the master/slave method?
Which of the recommended standards below would be best described as an unbalanced transmission system?
Which of the answers below best represents the recommended standard that uses an end device circuit to provide the protocols for error detection?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a holding registers?
The quality of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the block does not support a cascade path and the value quality is good?
One of the layers of the OSI manages access to be able to transmit data. Which of the answers below represents that layer?
Which of the terms below best describes the electromagnetic noise induced from cables in close proximity to each other
Which of the messaging methods is best described as one that can only be initiated by the link master in the H1 transmission system?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below best known for use with USB and bluetooth devices?
Which of the components below best represents the letter "C"?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that maps the data from up to 16 field devices that it supports?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the largest in area covered?
In a DCS, there is a controller scan cycle priority that should have enough time to execute all tasks. Which of the answers below represents the about of free time for a loaded DCS controller to function?
When manually assigning addresses in IPv4, which of the answers below contains the complete list of the main parameter(s) needed?
A DCS collects a lot of data during the course of operating. Which of the terms below would best describe the database that contains a record of process alarms and events as they occur?
Sometimes a controller module cannot execute the logic that is required. Which of the subsystems below would be able to execute this logic?
Which of the recommended standards would be best described as having a full duplex transmission system?
Which of the answers below best represents the recommended standard that is generally used with an RJ-45 connector?
In IPv4, which of the protocols below has the additions of delivery acknowledgement and fragmentation/defragmentation?